同根派生 spore mother cell相关词英汉例句Meiosis of microspore mother cells is synchronous or unsynchronous.小孢子母细胞减数分裂同步或不同步。Of the four products of a megaspore mother cell, three usually abort.在大孢子母细胞分裂产生的四个孢子中,三个会解体消失。spore mother cell更多例句